The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

Some of the saint's blood and bones are said to reside in Dublin.

The modern birthplace of Irish freedom.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A hugely vast Irish landscape of barren rock that stretches for miles.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

What appears to be a wizard's lair in Milwaukee actually houses a massive water pipe.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

A natural formation that resembles a camel resting in the New Mexico desert.

The park is home to the United States's only still-operating Dutch windmill.

Springtime is go time for this repurposed shack and the fish it venerates.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The restored estate of a wealthy rancher was once at the heart of an unprecedented legal victory.

A wonderfully curated used bookstore in an airport.

Wisconsin's most celebrated export gets the royal treatment on I-94.

According to the legend, this strikingly beautiful hill has miraculous healing powers.

Deadly airliner crash preserved for those willing to climb and pay respects.

This sparsely populated town offers a look back in time.

"X" marks the spot of an echo chamber in the middle of a plaza.